DENVER — Bouncing like a pogo stick on third base, Carlos González finally felt human in the seventh inning Tuesday at Coors Field. He was hiding himself through three at-bats, after striking out twice and smoking a groundball out, trying to cap his disappointment.

“You don’t want to show too many emotions when it’s not going well,” the Rockies right fielder said. “I was like, ‘OK, just keep your head up because there are a lot of guys watching you, a lot of guys watching how you react, especially in September.’ ”

But the joy escaped, finally, when his game-breaking triple cleared the bases and put González in a spot to see his team pull away for a 6-2 victory over the Giants and maintain their slight lead in a pressure-cooker National League West race. The Rockies (76-62) moved 14 games above .500 for the first time this season and retained a half-game lead over the Dodgers. The Diamondbacks remained 1.5 games...